e in steam-tight con- tion, precisely as a common unbalanced valve, without among astronomers in regard to these appearances, stopping the engine. And, further, the hole through tact with the back of the valve ; the plate thus receiv- some believing that they were produced by the action of screw,… … they could not be seen where the cavity, K, ex- STODDABTS IMPROVED SLIDE VALVE. through powerful tele- ists ; hence, there is a cer- scopes. This fact is explained on the supposition that tain upward pressure which is received by the screw, I, balance plate, as, if any steam leaks between the they…
Claim · Patents · Manner · Purpose · Improvement · Combination · Iron · Provement · Steam engine · Patent office · Scientific American · Low pressure · Purposes set · Balance plate · Letters patent · Carbonic acid · Purpose set · American patent
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